Top definition
A group of girls, usually preps between 13 and 21, who think they are inherently better than everyone else and as such have the right to make other girls feel inferior.
Girl 1: Did you hear what Jessica and her friends said about Kate?
Girl 2: Ignore them, they are just a pretty-girl hate machine.
by SeraphimNoted August 07, 2012
Happy St. Patties Day!